St. Thomas Aquinas Grade School (Top Ranked Private School for 2026-27)

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Quick Facts (26-27)

Top Ranked AZ School
Grades: Prekindergarten-8
Enrollment: 379 students
Average class size: 24 students
Application Deadline: None / Rolling
Source: ✓Verified school update

School Rankings

St. Thomas Aquinas Grade School ranks among the top 20% of private schools in Arizona for:

School Facts

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-8

Students By Grade

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Distribution of Students By Grade
Grade	St. Thomas Aquinas Grade School
Kind	38
1	47
2	50
3	48
4	51
5	24
6	48
7	49
8	24

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Student Body

Total Students

379 students

Student Body Type

Co-ed

% Students of Color

63%

State avg.: 39%

Academic Profile

Total Classroom Teachers

23 teachers

Student-Teacher Ratio

16:1

National avg.: 11:1

Average Class Size

24 students

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)

Tuition & Financial Aid

Admission Deadline

None / Rolling

Application URL

Online Application

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School Notes

The Catholic Community of Saint Thomas Aquinas Grade School is a partnership of parents, teachers, staff, students, and all parishioners that strive to nurture the growth of the whole child in a Catholic, faith-based environment.
We seek to promote academic excellence in a safe and nurturing environment while fostering responsibility, positive discipline, service to others, and life-long learning.
We believe the role of Saint Thomas Aquinas Grade School is to provide a holistic Catholic environment that serves the mind, body, and soul of each child.
Within this environment, basic intellectual skills are developed, religious traditions are celebrated, and students are prepared to live in and make a vital contribution to a changing society.

Source: Verified school update

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Frequently Asked Questions

What schools are St. Thomas Aquinas Grade School often compared to?

St. Thomas Aquinas Grade School is often viewed alongside schools like St. John Vianney Catholic School by visitors of our site.

What is St. Thomas Aquinas Grade School's ranking?

St. Thomas Aquinas Grade School ranks among the top 20% of private schools in Arizona for: Largest student body.

When is the application deadline for St. Thomas Aquinas Grade School?

The application deadline for St. Thomas Aquinas Grade School is rolling (applications are reviewed as they are received year-round).

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Did You Know?

The average private school tuition in Maricopa County, AZ is $12,281 for elementary schools and $15,815 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Maricopa County, AZ is 86% (read more about average acceptance rates across the country).